Half Square Triangles

Mark the back of the 2″ white squares diagonally from corner to corner. Use this as a guide to make half square triangles. Layer with each 2″ colored square and sew 1/4″ from the drawn line. Cut on the drawn line to make two half square triangles.

Square in a Square

Mark the back of the 1 1/2″ white squares diagonally from corner to corner. Lay the 1 1/2″ white square in the corner of the 2 1/2″ light blue square. Sew on the drawn line. Cut 1/4″ on the outside of the drawn line. Press. Repeat for the other three corners.

Note: the colors in the illustration below do not reflect the colors used in this block.